Spiral binding apparatus



FIG. 1 is a perspective view of a spiral binding apparatus showing our new design;

FIG. 2 is a front elevation view of one side thereof;

FIG. 3 is a back elevation view of one side thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a side elevation view of one side thereof; and,

FIG. 7 is a side elevation view of the opposite side thereof. 

The ornamental design for a spiral binding apparatus, as shown. 